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Long Multiplication - Sample Math Practice Problems

The math problems below can be generated by MathScore.com, a math practice program for schools and individual families. References to complexity and mode refer to the overall difficulty of the problems as they appear in the main program. In the main program, all problems are automatically graded and the difficulty adapts dynamically based on performance. Answers to these sample questions appear at the bottom of the page. This page does not grade your responses.

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Complexity=14

Multiply. Sample Answer: 1500 (Do not add commas or decimals).
1.  
4
  × 4
2.  
12
  × 14

Complexity=20

Multiply. Sample Answer: 1500 (Do not add commas or decimals).
1.  
11
  × 11
2.  
19
  × 11

Complexity=40

Multiply. Sample Answer: 1500 (Do not add commas or decimals).
1.  
35
  × 15
2.  
18
  × 34

Complexity=100

Multiply. Sample Answer: 1500 (Do not add commas or decimals).
1.  
50
  × 96
2.  
47
  × 73

Complexity=300

Multiply. Sample Answer: 1500 (Do not add commas or decimals).
1.  
188
  × 152
2.  
110
  × 191

Complexity=500

Multiply. Sample Answer: 1500 (Do not add commas or decimals).
1.  
278
  × 165
2.  
400
  × 292

Complexity=1000

Multiply. Sample Answer: 1500 (Do not add commas or decimals).
1.  
518
  × 958
2.  
855
  × 743

Complexity=5000

Multiply. Sample Answer: 1500 (Do not add commas or decimals).
1.  
2434
  × 1818
2.  
4551
  × 1970

Answers


Complexity=14

Multiply. Sample Answer: 1500 (Do not add commas or decimals).
#Correct AnswerYour Answer
1
4
  × 4
Solution
   4
 × 4
  16
#Correct AnswerYour Answer
2
12
  × 14
Solution
   12
 × 14
   48
  12
  168

Complexity=20

Multiply. Sample Answer: 1500 (Do not add commas or decimals).
#Correct AnswerYour Answer
1
11
  × 11
Solution
   11
 × 11
   11
  11
  121
#Correct AnswerYour Answer
2
19
  × 11
Solution
   19
 × 11
   19
  19
  209

Complexity=40

Multiply. Sample Answer: 1500 (Do not add commas or decimals).
#Correct AnswerYour Answer
1
35
  × 15
Solution
   35
 × 15
  175
  35
  525
#Correct AnswerYour Answer
2
18
  × 34
Solution
   18
 × 34
   72
  54
  612

Complexity=100

Multiply. Sample Answer: 1500 (Do not add commas or decimals).
#Correct AnswerYour Answer
1
50
  × 96
Solution
    50
  × 96
   300
  450
  4800
#Correct AnswerYour Answer
2
47
  × 73
Solution
    47
  × 73
   141
  329
  3431

Complexity=300

Multiply. Sample Answer: 1500 (Do not add commas or decimals).
#Correct AnswerYour Answer
1
188
  × 152
Solution
    188
  × 152
    376
   940
  188
  28576
#Correct AnswerYour Answer
2
110
  × 191
Solution
    110
  × 191
    110
   990
  110
  21010

Complexity=500

Multiply. Sample Answer: 1500 (Do not add commas or decimals).
#Correct AnswerYour Answer
1
278
  × 165
Solution
    278
  × 165
   1390
  1668
  278
  45870
#Correct AnswerYour Answer
2
400
  × 292
Solution
     400
   × 292
     800
   3600
   800
  116800

Complexity=1000

Multiply. Sample Answer: 1500 (Do not add commas or decimals).
#Correct AnswerYour Answer
1
518
  × 958
Solution
     518
   × 958
    4144
   2590
  4662
  496244
#Correct AnswerYour Answer
2
855
  × 743
Solution
     855
   × 743
    2565
   3420
  5985
  635265

Complexity=5000

Multiply. Sample Answer: 1500 (Do not add commas or decimals).
#Correct AnswerYour Answer
1
2434
  × 1818
Solution
     2434
   × 1818
    19472
    2434
  19472
  2434
  4425012
#Correct AnswerYour Answer
2
4551
  × 1970
Solution
     4551
   × 1970
     0000
   31857
  40959
  4551
  8965470
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